A person who actively participates in physical sports, especially with great skill; a sportsperson.
An exceptionally physically fit person.
A participant in a group of sporting activities which includes track and field, road running, cross country running and racewalking.
She's the first athlete in her sport to obtain a corporate sponsor.
A man who engages in sports; an athlete.
A man who exhibits good sportsmanship, or who exhibits sportsmanship as specified (good or bad).